NASA has selected advanced technologies to power a future space telescope designed to image Earth-like planets and search ...

A giant impact on the early Earth could have brought the building blocks of RNA to our planet, which new research suggests ...

Machine learning is quietly rewriting the rules of the cosmic hunt for company. Instead of waiting to recognize familiar ...

Grab-and-go missions to asteroids have provided some of the most scientifically valuable samples since the Apollo ...

A breakthrough experiment, published in the Proceedings of the National Academy of Sciences, offers compelling support for the RNA world hypothesis, one of the leading theories on how life began on ...

NPR's A Martinez speaks with journalist Mark Medley about his new book, "Live to see the Day," an exploration of people motivated by nearly impossible goals.

It is unclear whether a [3I/ATLAS] would transmit radio signals … such signals would take tens of thousands of years to cross ...

Mars looks familiar from afar, but surviving there means creating a protective oasis in a hostile world. Instead of shipping ...

An international team of astronomers has uncovered multiple evolutionary paths for the universe's most massive galaxies. Observations of ultramassive galaxies, each containing more than 100 billion ...